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Diaphragm seals of flange design, Sitrans p measuring instruments for pressure – Siemens SITRANS P User Manual

Page 161

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SITRANS P measuring instruments for pressure

Diaphragm seals of flange design

For gage, absolute, differential pressure and flow

with flexible capillary

2/161

Siemens FI 01 · 2009

2

Overview

Diaphragm seals of flange design

Technical specifications

Diaphragm seals of flange design with flexible capillary

Nominal diameter

Nominal pressure

• DN 50 (recommendable only for

pressure transmitters for pressure)

PN 10 ... PN 40, PN 100

• DN 80

PN 10 ... PN 40, PN 100

• DN 100

PN 16, PN 40

• DN 125

PN 16, PN 40

• 2 inch (recommendable only for

pressure transmitters for pressure)

Class 150, class 300, class 600,
class 1500

• 3 inch

Class 150, class 300, class 600

• 4 inch

Class 150, class 300, class 400

• 5 inch

Class 150, class 300, class 400

Sealing face

• For stainless steel, mat.

No. 1.4404/316L

To EN 1092-1, form B1 or

ASMR B16.5 RF 125 ... 250 AA

• For the other materials

To EN 1092-1, form B2 or

ASME B16.5 RFSF

Materials

• Main body

Stainless steel 316L

• Wetted parts

Stainless steel 316L

• Without foil

• PTFE (for vacuum on request)

• ECTFE (for vacuum on request)

• PFA (for vacuum on request)

Monel 400, mat. No. 2.4360

Hastelloy C276, mat. No. 2.4819

Hastelloy C4, mat. No. 2.4610

Tantalum

• Capillary

Stainless steel, mat.
No. 1.4571/316Ti

• Sheath

Spiral hose made of stainless
steel, mat. No. 1.4404/316L

Sealing material in the process
flanges

• For pressure transmitters, absolute

pressure transmitters and low-
pressure applications

Copper

• For other applications

Viton

Maximum pressure

See above and the technical data
of the pressure transmitter

Tube length

Without tube as standard (tube
available on request)

Capillary

• Length

Max. 10 m (32.8 ft), longer
lengths on request

• Internal diameter

2 mm (0.079 inch)

• Minimum bending radius

150 mm (5.9 inch)

Filling liquid

(for remote seals of sandwich and
flange design)

Silicone oil M5

Silicone oil M50

High-temperature oil

Halocarbon oil (for measuring O

2

)

Food oil (FDA listed)

Glycerine/water (not for use in
low-pressure range)

Permissible ambient temperature

Dependent on the pressure trans-
mitter and the filling liquid of the
remote seal

More information can be found in
the technical data of the pressure
transmitters and in the section
"Technical data of filling liquid" in
the Technical description to the
remote seals

Weight

Approx. 4 kg (8.82 lb)

Certificate and approvals

Classification according to pressure
equipment directive
(DRGL 97/23/EC)

For gases of fluid group 1 and liq-
uids of fluid group 1; complies
with requirements of article 3,
paragraph 3 (sound engineering
practice)

© Siemens AG 2008